Secrets lurk beneath the surface in the trailer for the third season of “School Spirits.”

The supernatural teen drama series returns January 28 on Paramount+, adding the iconic Jennifer Tilly to the cast.

Season 3 plunges Maddie Nears and her friends into a deeper, darker mystery as the veil between worlds grows dangerously thin, delivering twists that challenge everything they thought they knew

After clawing her way back to life, Maddie struggles with terrifying visions and the weight of protecting both the living and the dead while Simon — trapped in the...